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System and method for traffic preemption emitter type detection and response |
Timothy A. Geiger |
2017-07-18 |
| 9123240 |
System and method for laser emitter for traffic preemption |
Scott T. Sikora, Bart Millikan |
2015-09-01 |
| 8742946 |
System and related methods for powering and controlling traffic preemption system components |
Timothy A. Geiger |
2014-06-03 |
| 8577042 |
Location-based security, privacy, access control and monitoring system |
— |
2013-11-05 |
| 8373578 |
Wireless head for a traffic preemption system |
Scott T. Sikora, Timothy A. Geiger |
2013-02-12 |
| 8339280 |
Traffic preemption system and related methods |
Scott T. Sikora, Timothy A. Geiger |
2012-12-25 |
| 8054202 |
Traffic preemption system and related methods |
Scott T. Sikora, Timothy A. Geiger |
2011-11-08 |
| 7696881 |
RFID systems and methods employing infrared localization |
Steve J. Koerner |
2010-04-13 |
| 7486189 |
RFID systems and methods employing infrared localization |
Steve J. Koerner |
2009-02-03 |
| 7471203 |
Tamper monitoring system and method |
Charles Glasser, Yazid Sidi, James L. Rodgers |
2008-12-30 |
| 7036136 |
Bias compensating remote audience survey system and method |
— |
2006-04-25 |
| 6813475 |
Interference attenuating remote audience survey system and method |
— |
2004-11-02 |
| 6684054 |
System and method for detecting harmonics of RF broadcast station survey signals |
— |
2004-01-27 |
| 6643494 |
Active system and method for detecting harmonics of RF broadcast station survey signals |
— |
2003-11-04 |
| 6081690 |
Bias compensating remote audience survey system and method |
— |
2000-06-27 |
| 5819155 |
Active system and method for remotely identifying RF broadcast stations |
Danny L. Dubrall |
1998-10-06 |
| 5749043 |
System and method for estimating characteristics of broadcast radio audiences |
— |
1998-05-05 |
| 5572450 |
RF car counting system and method therefor |
— |
1996-11-05 |
| 5561835 |
System and method for identifying radio stations to which tuners are tuned |
— |
1996-10-01 |
| 5410724 |
System method for identifying radio stations to which tuners are tuned |
— |
1995-04-25 |